While there have been plenty of cases brought against Wal-Mart for discrimination, be it from minorities or other, another distasteful act is that of oppression.  The way this can be seen comes from lower management forcing their workforce to work off the clock.  Obviously refusal to to these tasks could lead to disciplinary action, no matter how immoral it may be.

Some concrete examples of this practice have been shown by a case forcing the corporation to pay, “$50 million to settle a class-action suit that asserted that 69,000 current and former Wal-Mart employees in Colorado had worked off the clock” (NY Times).  Although this problem affects most companies if not all around the world, Wal-Mart seems to be put on center stage since there are those standing up for their rights, and will continue to do so.

Full article:

http://query.nytimes.com/gst/fullpage.html?res=9C04E7DC163EF936A15755C0A9649C8B63